from tkinter import *

print('Введите начальную координату X:')
X = int(input())
print('Введите начальную координату Y:')
Y = int(input())
print('Введите коэффициент увеличения N:')
N = int(input())

coords = [0,0,10,0,10,10,20,10,20,20,10,20,10,30,0,30]
if N == 0 and X>=0 and X<=500 and Y>=0 and Y<=500:
 	pass
else:
    if N > 0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
        if N < 0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
            pass
        else:
            print('Размер фигуры превышает максимальный размер поля')
            exit()
root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")

canvas = Canvas(bg="violet", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords[0] *N+X, coords[1] *N+Y,
                    coords[2] *N+X, coords[3] *N+Y,
                    coords[4] *N+X, coords[5] *N+Y,
                    coords[6] *N+X, coords[7] *N+Y,
                    coords[8] *N+X, coords[9] *N+Y,
                    coords[10]*N+X, coords[11]*N+Y,
                    coords[12]*N+X, coords[13]*N+Y,
                    coords[14]*N+X, coords[15]*N+Y,)

root.mainloop()
